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Inventory & Eval •ion - Bear lover Sand & Gravel• 5-'77 <br />A REA a{2 <br />Soils and vegetat7ve information found on proposed pit area: <br />A. Climate -- Precipitation averages 15 to ?0 inches per year. Over <br />ha1P occurs as snow. The frost free period is 50 to y7 days. The <br />site becomes somewhat droughty in early simmer.' Plant growth is <br />most favoral;le in May and June. , <br />B, Elevation and Topography -- 'Phe proposed gravel pit occurs at an <br />elevation of about 6,500 feet. The natural slope is nearly <br />level. The area or_curs on a river terrace, some !+ to 6 feet <br />above the surrounding bottomland. <br />C. Soils -- The proposed pit a curs on an unnamed mapping unit. The <br />soil is classed as s fluvaquent (49). Loam and sandy loam material <br />overlies sand and gravel at about an 1£; - 2b inch depth. The soil <br />is modere.tely permeable but has a low to fair waterholdinq capacity: <br />pR ranges from 6.F to Y.j. Conductivity is negligible, (c2 mmhos~ <br />rm, at 2j C). <br />D, i']nni; Cnrnrnunl.T,,y -- River 'Cerrare=Phe dominant appearing aspect of <br />thin nltrr In nr:attererl uaY,r-l, rush and f;reu;sc:s. Gmunct cover is ~~ <br />pr;rrent. 'fo1:aJ nnnun]. produrtl.on is esl.Irrutted at x)00 lbs~acre, <br />(air dry wnlghf.). Drnup,hl.,y condll.ionn l.hmu,~h most, of the gt•owinq <br />nr~nurai 'limit I~rn,lur.I,Inn. 'I'Irln nrv•n nlgrnnrr Lri hnvr• bruin IrrlgilLe•c1 <br />a1, n~Nwr 1,1 m~. In I,lin Ian ril„ 'I'lin In•n nnul, ~~up~~ldiLl~ni In innn LlV nn tlvr <br />1~].n nLn . ' <br />`;lu~cler, ocrurrl.ng on the site are listed below. <br />Shrugs: Big sagebrush (Artemisfa trl.denteta)•.' <br />Grasses: Western wheatgrass (Agro~yron smithii} <br />Kentucky bluegrass (Poa pratensis <br />Redtop (Agrostis albs) <br />- <br />Sedge (Carex sp.j <br />Slender wheatgrass (Agropyron trach caulum) <br />' Timothy (Phleum ratensis <br />Smooth brome (Bromus inermis <br />F'orbs: Alfalfa (Medicago satavia) <br />Lupine (Lu inus s~ <br />False lupine (Thermopsis montane) <br />Blue bells (Mertensia oblon~irolia) <br />Blue-eyed grass (uisyrinr.hlum inflatum <br />Wooly rnullein (Verbasc:um thapsus <br />Yarrow ~ (Achillea lanulosa) <br />Dandelion (Taraxacum officinale) <br />Fireweed (EpiloUium`an ustifolirun) <br />' Western coneflower (Rudbeckia occidentalis <br />(, <br />r .". <br />y~F <br />L` <br />1". <br />F': <br />,•: <br />J. <br />